[PATCH] kino: port to FFmpeg-0.8 API

Kevin Kofler kevin.kofler at chello.at
Mon Sep 5 15:57:29 CEST 2011


Hans de Goede wrote:
> The compat header will just make things compile, it replaces
> linux/videodev.h, but does not do anything magic to make the app actually
> work with v4l2 devices all of a sudden, iow the app will still try to talk
> the v4l1 API to any /dev/video nodes.

Oh, I didn't notice that he was talking about using only the videodev.h 
replacement.

> To use the v4l1 compat layer libv4l comes with, you need to:
> 1) #include <libv4l1.h>
> 2) replace open("/dev/video0", ...) with v4l1_open("/dev/video0", ...)
> 3) replace ioctl(video_fd, ...) with v4l1_ioctl(video_fd, ...)
> 4) idem for read / mmap / munmap (on a ptr coming from v4l1_mmap) & close
> 5) Add -lv4l1 to LD_FLAGS

Thanks for this clarification.

        Kevin Kofler



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